Crude-oil burner.



o. B. DAWSON.' GRUDE dIL'BUR'NER. AAPPLICATION FILED DBO.`15, 1910.

Patented may 28, 191g.XV

- UNITED STATES PATENT oEEioE- OLIVER B. DAWSON, OF EL PASOTEXAS.

CRUDE-OIL BURNER.

To all whom t may concern: Be it known that I, OLIVER B. Dawson, of

. El Paso, in the county of El Paso and State be'a full, clear, andexact description of the invention, such. as will enable others skilledin th'e art to nvhicli it appertains to make and use the same.

l vThe primary object ofithis invention is to rovide simple and highlyefficient meansI for 'insuring the burning of the vapor oil gastofcriide petroleiim' mixed with heated airmurrents, whereby,"V within thefire box of a stove or range, complete combustion will be obtaineidlwith thtotal absence of smoke.

And a further object of my invention is to provide an attachment whichmay be readily .applied to use.

stoves and ranges now in general Briefly stated, I obtain -the desiredresults vaporizing the before it reaches the bottom Aof point it 'Spoint. of coinbustion, with columns of hot air, whereby an instantaneousand high temperature will be obtained.

The,y invention will be hereinafter fully Set forth and particularlypointed out in the In the accompanying drawings, Figure 1. is a verticalsectional view of a stove equipped with my present invention. Fig.

'2 is a transverse sectional view on line movably supported by a sight'feed chamber sight feed' chamber 2, which ,f'may construction,

be ot any preferred form` of but which is `preferably pro'- vided at/its ,upper end with a tubular portion 2a.l Ito receive the lower end ofa pipe 3 from the reservoir, .said pipe its exterior a flange or collar4 ,ms a stopfor holding the reserxdiately above the sight feed chamberfrom' which it may be readily removed. WithirnI pipe 3 is a pet cock 5for controlling the f low of the oil. From the bottom of the depends atube 6 which extends down into the st0\ econventionally shown at 7, to apoint near the bottoni thereof.- I preferably` form this tube with a thegas'producer, at whichiiared out and is united, at the Specification ofLetters Patent. Patented May 28,1912. Application filed December 15,1910.. Serial No. 597,530.

flared flange 6- at its lower end. According to my invention, the heatproduced within the combustion chamber of the stove is intended to heattube 6 to such a degree as to volatilize the oil before it reaches thelower end of the`tube. In order to insure contact of the oil with theheated wall of tube 6 I preferably locate in the lat-ter, Aat a pointnear the top of the stove, an inclined deflector 9 in the form of a.plate riveted or otherwise attached tothe interior of tube t5 andextending transversely across part thereof, but not closing the latter.

Immediately beneath' the lower flared end of the Vvaporizing tube 6 I'provide a series of air inlet tubes 10 which are preferably ci'rcularlyarranged on a support 12, which lat-ter extends entirely acrossthecombustion chamber, prevent-ing any air from passing from the lowerto the upper portion of the latter excepting through the air tubes l0.The latter are preferably1 deflected .at their upper ends, at an' angleof about 45, as shown at 13, so as to direct the flame upwardly andoutwardly into the space surrounding the vaporizing tube, thus securin auniform distribution of the heat throughout the fire-box or combustion`chamber. These air inlet tubes project above their supportsuoli adistance' that they will be thoroughly heated by the burning gas orvapor, with the result that within a very short time after the vapor islighted t-he airV passing through tubes 10 will 4be thoroughly heated. Ifind that by heating the air before it mixes with the oil gas coinpletecombustion may be obtained within the tire box. The flame is drawn upw.rdly iu the fire box by chimney suction. Inv starting, a small quantityof oil is placed on sup port 12, which is preferably of pan shape,

and surrounds the air inlet tubes 10 so that the heat generated by thisinitial supply Y'of oil will not only heat the lat-ter tubes,'but

will heat.tube 6 so as to'vaporize the oil flowing against the heatedwall thereof.

For the purpose of supplying additional currents of heated air, and thusinsuring complete combustion within the tire box. I surround theva-pori'zing tube 6 with a series plate set into thel top of the stove,such pipes 4of down draft hotair tubes' 15 which are 15 at their lowerends opening in close'l proximity to the discliargeend ofthe tube Theheat within the tire box will thoroughly heat tubes l and fresh airpassing downwardly through sueh tubes will be' heated while intransittherethrough..

Any suitable means may be employed, for instance, a perforated plate-1T, for holding tubes l5 in fixed relation to tube 6.'

From what has been said it will be seen that no eold air is permitted toenter the tire box; and that the air, whether it be introduced solelythrough the lower series of pipes 1.0 or in addition theretothroilgh'the series of pipes 15, will be thoroughly heated by the timeit reaches the dist-barge end ot the vaporiZing-tube' G. l Inconsequence, com- .y plete combustion will be etieeted.v and smoke.

after the stove has been Well started, will be entirely eliminated.

Lhave shown a drip pan 20 beneath lthe lower seriesof air tubes-forCollecting any oil or by-produets that may in any way be allowed to passthrough such air tubes.

I claim as my invention l. The combination with a closed tire-box havinga chimney outlet, and an oil reservoir, of a Vaporizing'tube leadingfrom the reservoir and depending into the closed tirebox, oil enteringsaid tube being designed to be vaporized in its descent therethrough. aseries ot' hot air tubes eireularly arranged relatively to the' lowerend of the vaporizing tubefsaid hot air tubes opening at their upperendsvtoward the upper end ot' the tire-box, and n an impert'oratesupport for said hot air tubes for preventing air `trom passing into thefire box other than through said hot air tubes.

' 2; The veombination with a elosed fire-box having a ehinney outlet.and an oil reservoir, ot a Yaporizin'g tube leading `t'rom the reservoirand depending into the elosed tirebox, oil entering said tube heiligdesigned to be vaporized in its deseenttherethrough, a series otl hotair tubes beneath the lower end ot' the vaporizing tube. said hot airtubes being llpwardly and outwardly `detieeted at their upper endslodireetthe llame at the lowerend ot' thefVaporiziug,tube upwardly iirthi'J tireebox. and an impertorate .support tor said hot air tubes.

ing witnesses'.

3. The combination with a closed fire-box having a chimney outlet., andan oil reservoir, of a vaporzing tube leading from the reservoir-'anddepending into the closed tires box, oil entering said tube beingdesigned to be vvaporized in itsdescenttherethrough, a series of hot airtubes beneath and surrounding the lower end of the vaporizing tube, animperforate support for said hot air tubes, and a second series of hotair tubes surroundingsaid vaporizing' tube and opening at their lowerends atI or near the lower end of said Yaporizing tube, said secondseries ot' hot air tubes being open to the atmosphere at their upperends.

4. The eombinationWit-h a stove having a closed tire-box andgaV 'hiinneyoutlet, and an oil reservori ofa yapoii'zingtiibe lead- -ing from thelatter anddepending into the closed tirefbox, .the oil entering'sai'dtube being designed to be 'raporized in its descent therethrough, adefleetor within said vaporizing tube ata point near the upper endthereof. a series ot' hot vair. tubes beneath the lower endot' said\fapor,i7,ing tube, said hot air tubes opening upwardly and outwardly attheir upper ends..and an imperforate support for said hot air tubes.

5. The combination with a stove, and an oil. reservoir, of a vaporizingtube leading from the latter and depending into the upper portion of thetire box within said stove, a detieetor within said vaporizing tube nearthe upper portion ot'vthe fire box, a series ot' hot air tubes beneaththyelower end of said vaporiziug tube. a support for said hotl air tubesdividing the-fire-box into upper'and lower portions. and a-seeond seriesof hot air tubes surrounding said vaporizing tube and leadingt'rom thetop of the fire box and opening at their lower ends around the lowerendot the. raporizingl tube.

Tn testimony whereof, I have slgnedthis speeitieation m the presenee oftwo subserib- OLI VER' B. DAVSON.

' "itnessest S. P. VVnisoEn, lV. O. Dnvso'N.

